1340269501 has 4 divisors (see below), whose sum is σ = 1398542112. Its totient is φ = 1281996892.

The previous prime is 1340269499. The next prime is 1340269549. The reversal of 1340269501 is 1059620431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340269501 - 2¹ = 1340269499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340269571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29136271 + ... + 29136316.

It is an arithmetic number, because the mean of its divisors is an integer number (349635528).

Almost surely, 2^1340269501 is an apocalyptic number.

It is an amenable number.

1340269501 is a deficient number, since it is larger than the sum of its proper divisors (58272611).

1340269501 is an equidigital number, since it uses as much as digits as its factorization.

1340269501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58272610.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1340269501 is about 36609.6913535200. The cubic root of 1340269501 is about 1102.5476763919.

Adding to 1340269501 its reverse (1059620431), we get a palindrome (2399889932).

The spelling of 1340269501 in words is "one billion, three hundred forty million, two hundred sixty-nine thousand, five hundred one".